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Medical Finals > The Cardiac Axis > Flashcards

The Cardiac Axis Flashcards

1
Q

the normal axis is from ___ to ___

A

-30 to +90

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2
Q

Right axis deviation is from ___ to ___

A

+90 to +180

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3
Q

Left axis deviation is from ___ to ___

A

-30 to -90

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4
Q

Extreme axis deviation is from ___ to ___

A

-90 to -180

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5
Q

PE causes __ axis deviation

A

Right axis deviation

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6
Q

Wolf-Parkinson White syndrome causes __ axis deviation

A
  • Right axis deviation when there is a L sided accessory pathway
  • Left axis deviation when there is a R sided accessory pathway
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7
Q

__ axis deviation is normal in an infant <1yr/o

A

Right axis deviation

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8
Q

right ventricular hypertrophy causes __ axis deviation

A

Right axis deviation

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9
Q

left posterior hemiblock causes __ axis deviation

A

right axis deviation

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10
Q

lateral MI causes __ axis deviation

A

right axis deviation

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11
Q

chronic lung disease/ cor pulmonale causes __ axis deviation

A

right axis deviation

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12
Q

Leads in Right Axis Deviation

A

Lead I is negative and Lead aVF is positive

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13
Q

Leads in the Normal Axis

A

Lead I and II are positive

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14
Q

Leads in Left Axis Deviation

A

Lead I is positive and Lead II is negative

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15
Q

congenital causes of left axis deviation

A

osmium primum
Atrial Septal Defect
Tricuspid atresia

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16
Q

Left Anterior Hemiblock causes __ axis deviation

A

Left axis deviation

17
Q

Left bundle branch block causes __ axis deviation

A

Left Axis Deviation

18
Q

Inferior MI causes __ axis deviation

A

Left Axis Deviation

19
Q

Hyperkalaemia causes __ axis deviation

A

Left or Extreme Axis Deviation

20
Q

Obese people can have minor __ axis deviation

A

Left Axis Deviation

21
Q

ventricular rhythms- ventricular tachycardias cause __ axis deviation

A

extreme axis deviation

22
Q

Emphysema can cause __ axis deviation

A

extreme axis deviation

Medical Finals (9 decks)

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